var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        if (typeof b !== "function" && b !== null)
            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
/**
    抽象类
       => 含有抽象方法的类, 使用abstract修饰
       => 抽象方法
             => 只有方法头，没有方法体的方法
             => 语法使用 abstract修饰
       => 不能实例化抽象类
       => 定义一个类继续抽象类，实现抽象方法
       abstract eat():void

 */
var Person = /** @class */ (function () {
    function Person() {
    }
    Person.prototype.say = function () {
        console.log('人说话');
    };
    return Person;
}());
var ChinesPerson = /** @class */ (function (_super) {
    __extends(ChinesPerson, _super);
    function ChinesPerson() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    ChinesPerson.prototype.eat = function () {
        console.log('中国人吃东西');
    };
    return ChinesPerson;
}(Person));
var chinePerson = new ChinesPerson();
chinePerson.eat();
chinePerson.say();
